When you need a little more, the Trend TRESNAP/SD/1 Step Drill takes steps to expand the point.
The Trend SNAP/SD/1 high speed steel step drill is ideal for drilling holes in sheet metal, plastics & timbers up to 5mm thick, featuring a 1/4" hex shank, drilling 4mm to 12mm diameter in 2mm increments.
Part of the Trend Snappy quick release drill system, the quick chuck is fitted into the drill. Snappy attachments "snap" into the quick chuck. Spring loaded outer sleeve makes it easy to remove attachments.